Negative group velocity and three-wave mixing in dielectric crystals.

Abstract

We investigate extraordinary features of optical parametric amplification of Stokes electromagnetic waves that originate from the three-wave mixing of a backward phonon wave with negative group velocity and two ordinary electromagnetic waves. Such properties were earlier shown to exist only in plasmonic negative-index metamaterials that are very challenging… (More)
DOI: 10.1364/OL.36.003861

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@article{Shalaev2011NegativeGV, title={Negative group velocity and three-wave mixing in dielectric crystals.}, author={Mikhail I. Shalaev and Sergey A. Myslivets and Vitaly V. Slabko and Alexander K. Popov}, journal={Optics letters}, year={2011}, volume={36 19}, pages={3861-3} }